<?php
/**
 * Description
 *
 * PHP version 7
 *
 * @category Custom
 * @package  Custom
 * @author   ryu <mo5467@126.com>
 * @date     2020-04-28 23:59:25
 * @lastTime 2020-04-29 00:00:08
 * @license  https://opensource.org/licenses/MIT MIT License
 * @link     none
 */
namespace Design\Behavioral\Specification;

interface Specification
{


    public function isSatisfiedBy(Item $item) : bool;


}//end interface
